Singleton

Meaning

A design pattern that restricts the instantiation of a class to one single instance.

Usage Examples

• Singleton pattern ensures a class has only one instance and provides a global point of access to it.
• Singletons are often used for managing resources such as database connections.
• The Singleton pattern can be implemented using a static method in a class.
• Singletons can be thread-safe to handle concurrent access in multi-threaded applications.